1966 Ford Bronco - 1989 Ford Mustang Engine - Photo 17863981

It's a known fact that the best race horses have massive hearts beating in their chests to push them around the track. The heartbeat of Forrest's Bronco is a 5.0L V-8 transplanted from an '89 Ford Mustang. The V-8 is bridged by a shock-tower truss and fed by dual batteries, and it sends power down to a NP435 manual transmission.